Hockey stick



FIG. 1 is an outside view of a hockey stick showing the claimed design;

FIG. 2 is an inside view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is an enlarged top view thereof; and,

FIG. 6 is an enlarged bottom view thereof. 

CLAIM The ornamental design for a hockey stick, as shown and described. 